MADE AT MARIETTA, OHIO. 



33 



Owing to the great Variability in the observed directions of the wind, periods less 

 than a month are not suitable for combination. The number of times each wind 

 is recorded during each month is tabulated for the whole series, and in those cases 

 where the record gives two entries in a day the weight | is given to each, when 

 three are recorded, two are first combined to their average direction, and weights 

 are given as before. 



Table V contains results of 9467 observations, and shows the relative frequency 

 of each of the eight directions of the wind, as recorded for each year. 



Table V. 



Tear. 



s. 



N. 



w. 



E. 



S. W. 



N. E. 



N. W. 



S. E. 



1829 



61 



79 



51 



20 



70.5 



16.5 



49 



26 



1830 



39 



S3 



52.5 



12.5 



95 



15.5 



39 



26.5 



1831 



38.5 



58.5 



67 



6.5 



117 



12 



43 



18.5 



1832 



32 



68.5 



63.5 



12.5 



108 



14.5 



32 



36 



1833 



13 



70.5 



45 



16.5 



113 



26.5 



42 



35.5 



1834 



14 



84 



62.5 



11 



87 



19.5 



30 



54 



1835 



31 



54 



64.5 



8 



111 



19.5 



39.5 



34.5 



1836 



58 



84 



51 



22.5 



60 



18.5 



33 



36 



1837 



62 



86.5 



57 



17.5 



74 



13 



29.5 



15.5 



1838 



49.5 



87 



41.5 



17.5 



68 



30 



35 



32.5 



1839 



71.5 



53 



61.5 



26 



54.5 



22 



35 



32.5 



1840 



45.5 



55.5 



68 



13.5 



91 



17.5 



30.5 



41.5 



1841 



56.5 



103.5 



45 



11.5 



79 



14 



25.5 



25 



1842 



64.5 



72 



36 



20 



89.5 



7 



39 



32 



1843 



81 



74.5 



46 



7.5 



79 



25.5 



25.5 



25 



1844 



83.5 



82.5 



28 



15.5 



91 



13 



27 



24.5 



1845 



50 



59.5 



45 



5 



130.5 



10 



42 



22 



1846 



50 



78 



36.5 



27 



99 



12 



19.5 



42 



1847 



91.5 



93 



29.5 



22 



66.5 



8.5 



11 



37 



1848 



113.5 



110.5 



30 



14.5 



45 



9.5 



10 



29 



1849 



91 



97.5 



45.5 



12.5 



42 



10 



19 



46.5 



1850 



85.5 



92 



35.5 



13.5 



58.5 



7.5 



17.5 



32 



1852 



81 



66 



38.5 



18 



57 



8 



15 



35.5 



1853 



64 



91.5 



19.5 



17 



32.5 



4 



20 



26.5 



1854 



63.5 



29.5 



42.5 



23 



17.5 



5.5 



51 



14 



1858 



64 



60.5 



69.5 



51.5 



56.5 



6 



35 



11 



1859 



94 



74 



55 



48.5 



28.5 



2.5 



23.5 



6.5 



Sum . . . 



1638.5 



2048 



1287 



491 



2019 



368 



818 



797.5 



Prop, in 1000 



173 



217 



135 



52 



213 



39 



87 



84 



These proportional numbers exhibit the relative frequency of each wind, on the 

 average, throughout the year. Their graphical representation is shown in the an- 

 nexed diagram. 



August, 1867. 



